Finding the Fourth Proportional to 125,678.68, 173,417.24 and 74,672.53
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Solution
The fourth proportional to 125,678.68, 173,417.24 and 74,672.53 is: 103,036.60
Step by Step Solution
- Step 1: Write the proportion equation
125,678.68 : 173,417.24 = 74,672.53 : x - Step 2: Convert to fraction form
125,678.68/173,417.24 = 74,672.53/x - Step 3: Cross multiply
125,678.68x = 173,417.24 × 74,672.53 - Step 4: Simplify right side
125,678.68x = 12,949,503,683.05 - Step 5: Solve for x
x = 12,949,503,683.05/125,678.68 - Step 6: Final answer
x = 103,036.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.